BCD325P2/BCD996P2: Discriminator tap - dumb question...

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SCPD

QRT
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Feb 24, 2001
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I purchased a 2nd BCD996P2 -- to use as my base station and moved my d-tap board from the 996XT to the P2. The P2 is much cleaner inside and its DISC test point is in a different location. If looking at the P2 top-down with the front panel toward your chest, it's located near the front panel just off-center. It's a little hidden in-between some of the front panel wiring but it's there.

So my question is about the ground connection. On the XT, I grounded at the BNC jack where the case meets the connector. However, since the DISC tap is farther toward the front panel, I went ahead and used the GND test point that's very close to the DISC test point -- both on the main circuit board.

After buttoning things up, I tested DSD+ and everything is working good. Oddly, my decodes seem much more stable. DSD+ seems happier with its signal input.

Could I have been getting some weirdness by grounding at the BNC connector? Any issues with using the GND test point? It seems to work fine but I never used this test point before... anything to worry about?

PS. I wish I had taken a picture inside the P2. When comparing the P2 to the 996XT or my older BCT-15, the electronics are super clean in the P2 and super small! The advancements are simply incredible. You could fit a 747 inside the P2 case as there's not much in there. Okay not a 747 -- but perhaps a Cessna. :p
 
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